Credit Facility Additional Information [Abstract]
Credit Facility Additional Information [Abstract]
Schedule of Long-term Debt Instruments [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Interest Rate, Type [Domain]
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR) [Member]
London Interbank Offered Rate (LIBOR) [Member]
EURIBOR [Member]
EURIBOR [Member]
EURIBOR Euro Interbank Offered Rate [Member]
Alternate base rate (1) [Member]
Alternate base rate (1) [Member]
The first of three alternate base rates under a credit facility agreement.
Alternate base rate (2) [Member]
Alternate base rate (2) [Member]
The second of three alternate base rates under a credit facility agreement.
Alternate base rate (3) [Member]
Alternate base rate (3) [Member]
The third of three alternate base rates under a credit facility agreement.
Alternate base rate [Member]
Alternate base rate [Member]
Alternate base rate [Member]
Range [Axis]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Swingline sub-facility [Member]
Revolving Credit Facility [Member]
USD Denominated Term Loan [Member]
USD Denominated Term Loan [Member]
USD Denominated Term Loan [Member]
Line of Credit [Member]
Line of Credit [Member]
Standby Letters of Credit [Member]
Standby Letters of Credit [Member]
Secured Debt [Member]
Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Debt Instrument, Face Amount
Debt Instrument, Face Amount
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Debt Instrument, Collateral
Debt Instrument, Collateral
Debt Instrument, Description of Variable Rate Basis
Debt Instrument, Description of Variable Rate Basis
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument, Basis Spread on Variable Rate
Applicable Interest Rate
Debt Instrument, Interest Rate, Effective Percentage
Line of credit facility, amount outstanding
Long-term Line of Credit
Letters of Credit Outstanding, Amount
Letters of Credit Outstanding, Amount
Line of Credit Facility, Remaining Borrowing Capacity
Senior Note Additional Information [Abstract]
Senior Note Additional Information [Abstract]
Schedule of Long-term Debt Instruments [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Scenario, Forecast [Member]
Scenario, Forecast [Member]
Range [Axis]
Range [Domain]
Maximum [Member]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption, Period Four [Member]
Debt Instrument, Redemption, Period Four [Member]
Long-term Debt, Type [Domain]
Senior Notes [Member]
Senior Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Redemption Price, Percentage
Debt Instrument, Redemption Price, Percentage
Debt Instrument, Redemption, Description
Debt Instrument, Redemption, Description
Senior notes
Senior Notes
Accounts Receivable, Net, Current [Abstract]
Trade receivables (net of allowance of $4,552 and $3,957)
Accounts Receivable, Net, Current
Unbilled receivables
Unbilled Receivables, Current
Total accounts receivable, net
Receivables, Net, Current
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
Long Term Performance Restricted Stock Award [Member]
Long Term Performance Restricted Stock Award [Member]
Restricted stock awards related to the Long Term Performance Plan (LTPP), which may only become eligible for vesting based upon satisfaction of certain performance condition(s), market condition(s), and/or required service periods.
Vesting [Axis]
Vesting [Axis]
Vesting [Domain]
Vesting [Domain]
Vested and Released [Member]
Vested and Released [Member]
Vested and Released [Member]
Vested but Not Released [Member]
Vested but Not Released [Member]
Vested but not released due to contractual agreement or statutory requirement.
Expected to Vest [Member]
Expected to Vest [Member]
Shares not vested, but expected to vest.
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
[Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected term (years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Outstanding, beginning balance, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Shares converted upon acquisition, number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Shares Converted Upon Acquisition
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Shares Converted Upon Acquisition
Shares converted upon acquisition, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Shares Converted Upon Acquisition, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Shares Converted Upon Acquisition, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Weighted average fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Released, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested
Forfeited, Number
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Outstanding, ending balance, Number
Expected to vest, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested
Balance Sheet Related Disclosures [Abstract]
Certain Balance Sheet Components
Supplemental Balance Sheet Disclosures [Text Block]
Segment Reporting [Abstract]
Segment Information
Segment Reporting Disclosure [Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
Interest Rate, Type [Axis]
Interest Rate, Type [Axis]
Interest Rate, Type [Axis]
Interest Rate, Type [Domain]
Interest Rate, Type [Domain]
Interest Rate, Type [Domain]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Interest Rate Swap [Member]
Interest Rate Swap [Member]
Interest Rate Cap [Member]
Interest Rate Cap [Member]
Currency Swap [Member]
Currency Swap [Member]
Forward Contracts [Member]
Forward Contracts [Member]
Foreign Exchange Contract [Member]
Foreign Exchange Contract [Member]
Derivative Activity Volume Type [Axis]
Derivative Activity Volume Type [Axis]
Derivative Activity Volume Type [Axis]
Derivative Activity Volume Type [Domain]
Derivative Activity Volume Type [Domain]
[Domain] for Derivative Activity Volume Type [Axis]
Number of Counterparties [Member]
Number of Counterparties [Member]
Number of Counterparties [Member]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments used as a hedge [Member]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Statement [Line Items]
Statement [Line Items]
Net unrealized loss on hedging instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Derivative Counterparties
Derivative Counterparties
Derivative number of counterparties
Total debt
Long-term Debt
Number of Interest Rate Derivatives Held
Number of Interest Rate Derivatives Held
Derivative, Notional Amount
Derivative, Notional Amount
Pay fixed interest rate in interest rate swap
Derivative, Fixed Interest Rate
Derivative, Cap Interest Rate
Derivative, Cap Interest Rate
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Derivative Purchase Price
Derivative Purchase Price
Derivative Purchase Price
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months
Description of Derivative Activity Volume
Accounts Receivable, Net
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Allowance for Credit Losses on Financing Receivables
Allowance for Credit Losses on Financing Receivables [Table Text Block]
Inventories
Schedule of Inventory, Current [Table Text Block]
Property, Plant, and Equipment, Net
Property, Plant and Equipment [Table Text Block]
Depreciation Expense
Depreciation Expense [Table Text Block]
Summary of Depreciation Expense [Table Text Block]
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
SIlver Spring Networks, Inc. [Member]
SIlver Spring Networks, Inc. [Member]
SIlver Spring Networks, Inc. [Member]
Comverge [Member]
Comverge [Member]
Comverge [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Cash Acquired from Acquisition
Cash Acquired from Acquisition
Payments to Acquire Businesses, Gross
Payments to Acquire Businesses, Gross
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Goodwill acquired
Goodwill, Acquired During Period
Business Acquisition, Transaction Costs
Business Combination, Acquisition Related Costs
Business Combination, Integration Related Costs
Business Combination, Integration Related Costs
Business Combination, Consideration Transferred, Other
Business Combination, Consideration Transferred, Other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Stock Incentive Plan [Member]
Stock Incentive Plan [Member]
2010 Stock Incentive Plan, which consists of stock options, restricted stock units, and unrestricted stock awards.
SSNI Plan [Member]
SSNI Plan [Member]
SSNI Plan [Member]
Employee Stock Option [Member]
Phantom Share Units (PSUs) [Member]
Phantom Share Units (PSUs) [Member]
Employee Stock Purchase Plan [Member]
Employee Stock [Member]
[Line Items]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Reduction in stock options available for issue
Authorized share reserve reduction in stock options or share appreciation rights available for issue, conversion ratio
The Stock Incentive Plan shares are subject to a fungible share provision such that, with respect to grants made after December 31, 2009, the authorized share reserve is reduced by (i) one share for every one share subject to a stock option or share appreciation right granted under the Plan.
Authorized share reserve reduction in awards other than stock options or share appreciation rights available for issue, conversion ratio
Authorized share reserve reduction in awards other than stock options or share appreciation rights available for issue, conversion ratio
The Stock Incentive Plan shares are subject to a fungible share provide such that, with respect to grants made after December 31, 2009, the authorized share reserve is reduced by (ii) 1.7 shares for every one share of common stock that was subject to an award other than an option or stock appreciation right.
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Unrecognized compensation expense, Expected weighted average period for recognition (years)
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Deferred Compensation Share-based Arrangements, Liability, Current
Deferred Compensation Share-based Arrangements, Liability, Current
Fair Value Disclosures [Abstract]
Fair Values of Financial Instruments
Fair Value Disclosures [Text Block]
Debt Disclosure [Abstract]
Schedule of Debt [Table]
Debt Instrument, Interest Rate, Effective Percentage
USD denominated term loan
Loans Payable to Bank
Multicurrency revolving line of credit
Current portion of debt
Long-term Debt, Current Maturities
Deferred Finance Costs, Noncurrent, Net
Debt Issuance Costs, Noncurrent, Net
Long-term debt
Long-term Debt, Excluding Current Maturities
2018 (amount remaining at June 30, 2018)
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year
2019
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2020
Long-term Debt, Maturities, Repayments of Principal in Year Two
2021
Long-term Debt, Maturities, Repayments of Principal in Year Three
2022
Long-term Debt, Maturities, Repayments of Principal in Year Four
2023
Long-term Debt, Maturities, Repayments of Principal in Year Five
Employee Stock [Member]
Employee Stock Option [Member]
Outstanding, beginning balance, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Outstanding, beginning balance, Weighted Average Exercise Price Per Share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Outstanding, beginning balance, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Shares converted upon acquisition, number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Converted Upon Acquisition
Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Converted Upon Acquisition
Shares converted upon acquisition, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Shares Converted Upon Acquisition, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Shares Converted Upon Acquisition, Weighted Average Exercise Price
Shares converted upon acquisition, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Converted Upon Acquisition, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Converted Upon Acquisition, Weighted Average Grant Date Fair Value
Options granted, number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Granted, Weighted Average Exercise Price Per Share
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Granted, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Exercised, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Exercised, Weighted Average Exercise Price Per Share
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Exercised, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Expired, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Expired, Weighted Average Exercise Price Per Share
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Outstanding, ending balance, Number
Outstanding, ending balance, Weighted Average Exercise Price Per Share
Outstanding, ending balance, Aggregate Intrinsic Value
Exercisable, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Exercisable, Weighted Average Exercise Price Per Share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Exercisable, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercisable, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Earnings Per Share [Abstract]
Earnings Per Share
Earnings Per Share [Text Block]
Revenue Recognition and Deferred Revenue [Abstract]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation
Revenue, Remaining Performance Obligation
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business Acquisition, Pro Forma Revenue
Business Acquisition, Pro Forma Revenue
Business Acquisition, Pro Forma Net Income (Loss)
Business Acquisition, Pro Forma Net Income (Loss)
Revenues [Abstract]
Revenue Recognition
Revenue from Contract with Customer [Text Block]
Stock-based Compensation Expense by Plan Type [Table]
Stock options
Stock or Unit Option Plan Expense
Restricted stock units
Restricted Stock or Unit Expense
Unrestricted stock awards
Unrestricted Stock Awards Compensation Expense
The noncash expense that represents the cost of unrestricted stock distributed to board of directors as a portion of their compensation.
Phantom stock units
Allocated Share-based Compensation Expense
Total stock-based compensation
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Related tax benefit
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Statement [Table]
Statement [Table]
Accumulated Net Gain (Loss) from Derivative and Nonderivative Instruments Designated as Hedging Instruments [Member]
Accumulated Net Gain (Loss) from Derivative and Nonderivative Instruments Designated as Hedging Instruments [Member]
Changes to accumulated comprehensive income resulting from gains and losses from derivative and nonderivative instruments designated as hedging instruments.
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period
Unrealized gain (loss) on derivative instruments
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Realized losses reclassified into net income (loss)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period
Equity [Abstract]
Preferred stock, shares authorized (in share)
Preferred Stock, Shares Authorized
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Preferred stock, no par value (in dollars per share)
Preferred Stock, No Par Value
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Core Developed Technology [Member]
Core Developed Technology [Member]
Core Developed Technology [Member]
Customer Contracts And Relationships [Member]
Customer Contracts And Relationships [Member]
Customer Contracts And Relationships [Member]
Trademarks and Trade Names [Member]
Trademarks and Trade Names [Member]
In Process Research and Development [Member]
In Process Research and Development [Member]
Business Combination, Current Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets
Business Combination, Property, Plant, and Equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Business Combination, Other Noncurrent Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Business Combination, Intangibles Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Acquired Intangible Assets, Weighted Average Useful Life
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Business Combination, Intangible Assets, Other than Goodwill
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Business Combination, Current Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities
Intangible liabilities acquired
Finite-Lived Intangible Liabilities Acquired
Finite-Lived Intangible Liabilities Acquired
Acquired Finite-lived Intangible Liabilities, Weighted Average Useful Life
Acquired Finite-lived Intangible Liabilities, Weighted Average Useful Life
Acquired Finite-lived Intangible Liabilities, Weighted Average Useful Life
Business Combination, Noncurrent Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities
Business Combination, Goodwill, and Liabilities Assumed, Net
Inventory, Net [Abstract]
Materials
Inventory, Raw Materials, Net of Reserves
Work in process
Inventory, Work in Process, Net of Reserves
Finished goods
Inventory, Finished Goods, Net of Reserves
Total inventories
Inventory, Net
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Intangible Assets and Liabilities
Intangible Assets Disclosure [Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Table]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Accumulated OCI for Derivative and Nonderivative Instruments Designated as Hedging Instruments, Net of Tax
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Offsetting Assets
Offsetting Assets [Table Text Block]
Offsetting Liabilities
Offsetting Liabilities [Table Text Block]
Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax
Derivative Instruments, Gain (Loss) [Table Text Block]
Foreign Exchange Derivatives Not Designated As Hedging Instruments
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Total Intangible Assets [Abstract]
Total Intangible Assets [Abstract]
Schedule of Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Core-developed technology [Member]
Developed Technology Rights [Member]
Customer contracts and relationships [Member]
Customer Relationships [Member]
Trademarks and trade names [Member]
Other Intangible Assets [Member]
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross
Finite-Lived Intangible Assets, Gross
Intangible assets, Accumulated (Amortization) Accretion
Finite-Lived Intangible Assets, Accumulated Amortization
Intangible assets, Net
Finite-Lived Intangible Assets, Net
Intangible assets, Gross
Intangible Assets, Gross (Excluding Goodwill)
Intangible assets, Net
Intangible Assets, Net (Excluding Goodwill)
Intangible liabilities, Gross
Finite-lived intangible liabilities, Gross
Finite-lived intangible liabilities, Gross
Intangible liabilities, Accumulated (Amortization) Accretion
Finite-Lived Intangible Liabilities, Accumulated Accretion
Finite-Lived Intangible Liabilities, Accumulated Accretion
Intangible liabilities, Net
Finite-Lived Intangible Liabilities, Net
Finite-Lived Intangible Liabilities, Net
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Beginning balance
Standard and Extended Product Warranty Accrual
Assumed liabilities from acquisition
Assumed liabilities from acquisition
Assumed liabilities from acquisition
New product warranties
Standard Product Warranty Accrual, Increase for Warranties Issued
Other changes/adjustments to warranties
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties
Claims activity
Standard and Extended Product Warranty Accrual, Decrease for Payments
Effect of change in exchange rates
Standard and Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss)
Ending balance
Less: current portion of warranty
Product Warranty Accrual, Current
Long-term warranty
Product Warranty Accrual, Noncurrent
Goodwill Excluding Non Goodwill Intangibles [Abstract]
Goodwill, excluding non-goodwill intangible assets [Abstract]
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Segments [Axis]
Segments [Domain]
Electricity Operating Segment [Member]
Electricity Operating Segment [Member]
Electricity Operating Segment
Gas Operating Segment [Member]
Gas Operating Segment [Member]
Gas Operating Segment [Member]
Water Operating Segment [Member]
Water Operating Segment [Member]
Water Operating Segment [Member]
Networks Operating Segment [Member]
Networks Operating Segment [Member] [Member]
Networks Operating Segment [Member] [Member]
Goodwill [Line Items]
Goodwill [Line Items]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Goodwill before impairment, at beginning of period
Goodwill, Gross
Accumulated impairment losses, at beginning of period
Goodwill, Impaired, Accumulated Impairment Loss
Goodwill, net, at beginning of period
Goodwill
Effect of change in exchange rates
Goodwill, Foreign Currency Translation Gain (Loss)
Goodwill before impairment, at end of period
Accumulated impairment losses, at end of period
Goodwill, net, at end of period
Revenues Gross Profit And Operating Income By Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Revenues By Region
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Depreciation And Amortization Expense Associated With Segments
Depreciation And Amortization Expense Associated With Segments [Table Text Block]
Depreciation And Amortization Expense Associated With Segments [Table Text Block]
Schedule of Business Acquisitions, by Acquisition
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Schedule Of Revenues and Earnings Attributable to an Acquired Business
Schedule Of Revenues and Earnings Attributable to an Acquired Business [Table Text Block]
Schedule Of Revenues and Earnings Attributable to an Acquired Business [Table Text Block]
Business Acquisition, Pro Forma Information
Business Acquisition, Pro Forma Information [Table Text Block]
Stockholders' Equity Note [Abstract]
Before-tax amount [Abstract]
Other Comprehensive Income (Loss), before Tax [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
Net hedging (gain) loss reclassified into net income
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax
Total other comprehensive income (loss), before tax
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent
Tax (provision) benefit [Abstract]
Tax (provision) benefit [Abstract]
Tax (provision) benefit [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
Net hedging (gain) loss reclassified into net income
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Total other comprehensive income (loss) tax benefit
Other Comprehensive Income (Loss), Tax
Net-of-tax amount [Abstract]
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges
Net hedging loss (gain) reclassified into net income
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax
Total other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Net interest and penalties expense
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Accrued interest
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Accrued penalties
Unrecognized Tax Benefits, Income Tax Penalties Accrued
Unrecognized tax benefits related to uncertain tax positions
Unrecognized Tax Benefits
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Current restricted cash included in other current assets
Restricted Cash, Current
Long-term restricted cash
Restricted Cash, Noncurrent
Total cash, cash equivalents, and restricted cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Unrecognized Tax Benefits Related To Uncertain Tax Positions
Summary of Income Tax Contingencies [Table Text Block]
Number of Reportable Segments
Number of Reportable Segments
Major Customers, by Reporting Segments [Table]
Schedule of Revenue by Major Customers, by Reporting Segments [Table]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Revenue [Member]
Sales [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Threshold for Reporting Customer Concentration [Member]
Threshold for Reporting Customer Concentration [Member]
The threshold for reporting customer concentration. For any customer that meets or exceeds this threshold, the percentage of concentration with the given customer or customers is provided.
Customer A [Member]
Customer A [Member]
Customer A, for the given filing. This member is exclusive of previous filings (that is, this customer A is not necessarily the same customer A as in previous filings).
Customer B [Member]
Customer B [Member]
Customer B [Member] Customer B, for the given filing. This member is exclusive of previous filings (that is, this customer B is not necessarily the same customer B as in previous filings).
Segments [Domain]
Revenue, Major Customer [Line Items]
Revenue, Major Customer [Line Items]
Concentration risk, percentage
Concentration Risk, Percentage
Concentration risk, supplier
Concentration Risk, Supplier
Revenues by Region
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Statement, Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
United States and Canada [Member]
United States and Canada [Member]
United States and Canada [Member]
Europe, Middle East, and Africa [Member]
EMEA [Member]
Other [Member]
Other Countries [Member]
The combined total of all countries outside of the USA, Canada, and Europe, for the purpose of reporting revenue by region. [Member]
Revenues from External Customers [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, Net
Depreciation and Amortization Expense, by Segment [Abstract]
Depreciation and Amortization Expense, by Segment [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Networks Operating Segment [Member]
Networks Operating Segment [Member]
Networks Operating Segment [Member]
Corporate Unallocated [Member]
Corporate, Non-Segment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Depreciation and amortization
Depreciation, Depletion and Amortization
Defined Benefit Plan [Abstract]
Defined Benefit Pension Plans
Pension and Other Postretirement Benefits Disclosure [Text Block]
Gross Amounts of Recognized Liabilities Presented in the Consolidated Balance Sheets
Derivative Liability, Fair Value, Gross Liability
Derivative Liability, Fair Value, Amount Not Offset Against Collateral
Derivative Liability, Fair Value, Amount Not Offset Against Collateral
Cash Collateral Pledged Not Offset in the Consolidated Balance Sheets
Derivative, Collateral, Right to Reclaim Cash
Derivative Liability, Fair Value, Amount Offset Against Collateral
Computation of Basic and Diluted Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Debt
Debt Disclosure [Text Block]
Goodwill
Goodwill Disclosure [Text Block]
Net income (loss) available to common shareholders
Net Income (Loss) Attributable to Parent
Weighted average common shares outstanding - Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Dilutive effect of stock-based awards (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Weighted average common shares outstanding - Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Earnings (loss) per common share - Basic (in dollars per share)
Earnings Per Share, Basic
Earnings (loss) per common share - Diluted (in dollars per share)
Earnings Per Share, Diluted
Schedule of Line of Credit Facilities
Schedule of Line of Credit Facilities [Table Text Block]
Schedule of Warranty Accruals
Schedule of Product Warranty Liability [Table Text Block]
Warranty Expense
Warranty Expense [Table Text Block]
Warranty Expense [Table Text Block]
Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance
Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block]
Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block]
Income Statement [Abstract]
Revenues
Product revenues
Sales Revenue, Goods, Net
Service revenues
Sales Revenue, Services, Net
Revenues
Cost of revenues
Cost of Revenue [Abstract]
Product cost of revenues
Cost of Goods Sold
Service cost of revenues
Cost of Services
Cost of revenues
Cost of Goods and Services Sold
Gross profit
Gross Profit
Operating expenses
Operating Expenses [Abstract]
Sales and marketing
Selling and Marketing Expense
Product development
Research and Development Expense
General and administrative
General and Administrative Expense
Amortization of intangible assets
Amortization of Intangible Assets
Restructuring
Restructuring Charges
Total operating expenses
Operating Expenses
Operating income (loss)
Operating Income (Loss)
Other income (expense)
Nonoperating Income (Expense) [Abstract]
Interest income
Interest Income, Other
Interest expense
Interest Expense
Other income (expense), net
Other Nonoperating Income (Expense)
Total other income (expense)
Nonoperating Income (Expense)
Income (loss) before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income tax benefit (provision)
Income Tax Expense (Benefit)
Net income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net income attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net income (loss) attributable to Itron, Inc.
Weighted average common shares outstanding - Basic (in shares)
Weighted average common shares outstanding - Diluted (in shares)
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Segments [Axis]
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Other Restructuring [Member]
Other Restructuring [Member]
Employee Severance [Member]
Employee Severance [Member]
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
Restructuring Plan [Domain]
2018 Projects [Member]
2018 Projects [Member]
2018 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost
Restructuring and Related Cost, Expected Cost
Restructuring and Related Cost, Cost Incurred to Date
Restructuring and Related Cost, Cost Incurred to Date
Restructuring and Related Cost, Expected Cost Remaining
Restructuring and Related Cost, Expected Cost Remaining
Derivative Financial Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
2016 Projects [Member]
2016 Projects [Member]
2016 Projects [Member]
Remaining Costs to be Recognized at Period End
Statement of Cash Flows [Abstract]
Operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Stock-based compensation
Share-based Compensation
Amortization of prepaid debt fees
Amortization of Debt Issuance Costs
Deferred taxes, net
Increase (Decrease) in Deferred Income Taxes
Restructuring, non-cash
Restructuring Costs
Other adjustments, net
Other Noncash Income (Expense)
Changes in operating assets and liabilities, net of acquisitions:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Inventories
Increase (Decrease) in Inventories
Other current assets
Increase (Decrease) in Other Current Assets
Other long-term assets
Increase (Decrease) in Other Noncurrent Assets
Accounts payable, other current liabilities, and taxes payable
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Wages and benefits payable
Increase (Decrease) in Employee Related Liabilities
Unearned revenue
Increase (Decrease) in Deferred Revenue
Warranty
Warranty
Total increases (decreases) in estimated warranty claims based on historical and projected product performance trends and costs.
Other operating, net
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Acquisitions of property, plant, and equipment
Payments to Acquire Property, Plant, and Equipment
Business acquisitions, net of cash equivalents acquired
Payments to Acquire Businesses, Net of Cash Acquired
Other investing, net
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from borrowings
Proceeds from Long-term Lines of Credit
Payments on debt
Repayments of Long-term Debt
Issuance of common stock
Proceeds from Issuance of Common Stock
Prepaid debt fees
Payments of Debt Issuance Costs
Other financing, net
Proceeds from (Payments for) Other Financing Activities
Net cash provided by financing activities
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash
Effect of Exchange Rate on Cash and Cash Equivalents
Decrease in cash, cash equivalents, and restricted cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect
Cash, cash equivalents, and restricted cash at beginning of period
Cash, cash equivalents, and restricted cash at end of period
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Income taxes, net
Income Taxes Paid, Net
Interest
Interest Paid, Net
Restructuring Project [Table]
Restructuring Project [Table]
Restructuring Project [Table]
Restructuring Project [Line Items]
Restructuring Project [Line Items]
[Line Items] for Restructuring Project [Table]
Restructuring and Related Costs
Restructuring and Related Costs [Table Text Block]
Schedule of Restructuring Reserve by Type of Cost
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Schedule of Amounts Recognized in the Consolidated Balance Sheets
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]
Schedule of Net Periodic Pension Benefit Costs
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Intangible Assets by Major Class
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Summary of Intangible Asset Account Activity
SummaryOfIntangibleAssetAccountActivity [Table Text Block]
Summary schedule of intangible asset activity for the period (Table Text Block).
Schedule of Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Stock-Based Compensation Expense and Related Tax Benefit
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Employee Stock Options Activity
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Stock Options, Valuation Assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Restricted Stock Units Award Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Restricted Stock Units, Valuation Assumptions
Schedule of Share-based Payment Award, Restricted Stock Units, Valuation Assumptions [Table Text Block]
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock units, including, but not limited to: (a) expected term of stock units, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.
Schedule of Other Share-based Compensation, Activity
Schedule of Other Share-based Compensation, Activity [Table Text Block]
Restructuring
Restructuring, Impairment, and Other Activities Disclosure [Text Block]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Other than Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Reported Value Measurement [Member]
Reported Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets
Assets [Abstract]
Restricted cash
Restricted Cash
Foreign exchange forwards
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value
Derivative asset, noncurrent
Derivative Asset, Noncurrent
Liabilities
Liabilities [Abstract]
USD denominated term loan, fair value
Long-term Debt, Fair Value
Multicurrency revolving line of credit, fair value
Line of Credit Facility, Fair Value of Amount Outstanding
Foreign exchange forwards
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value
Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax [Table]
Derivative Instruments, Gain (Loss) [Table]
Currency Swap 1 [Member]
Currency Swap 1 [Member]
Currency Swap 1 [Member]
Currency Swap 2 [Member]
Currency Swap 2 [Member]
Currency Swap 2 [Member]
Income Statement Location [Axis]
Income Statement Location [Domain]
Interest Expense [Member]
Other Income (Expense) [Member]
Other Income (Expense) [Member]
Other Income (Expense) [Member]
Derivative Instruments Designated as Hedging Instruments [Abstract]
Interest Rate Derivatives [Abstract]
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion)
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Gross Amounts of Recognized Assets Presented in the Consolidated Balance Sheets
Derivative Asset, Fair Value, Gross Asset
Derivative Financial Instruments Not Offset in the Consolidated Balance Sheets
Derivative Asset, Fair Value, Amount Not Offset Against Collateral
Cash Collateral Received Not Offset in the Consolidated Balance Sheets
Derivative, Collateral, Obligation to Return Cash
Derivative Asset, Fair Value, Amount Offset Against Collateral
Goodwill and Intangible Assets Disclosure [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired
Business Acquisition, Percentage of Voting Interests Acquired
In process research and development completed
In process research and development completed
In process research and development completed
Amortization of Intangible Assets
Property, Plant and Equipment [Abstract]
Depreciation expense
Depreciation
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Surety Bond [Member]
Surety Bond [Member]
Loss Contingencies by Nature of Contingency [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Credit Facility [Member]
Credit Facility [Member]
Credit Facility dated in August 2011, consisting of a $300 million U.S. dollar term loan and a multicurrency revolving line of credit with a principal amount of up to $660 million.
Unsecured Multicurrency Revolving Lines of Credit [Member]
Unsecured Multicurrency Revolving Lines of Credit [Member]
Unsecured multicurrency revolving lines of credit with various financial institutions.[Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Multicurrency revolving line of credit
Letters of Credit Outstanding, Amount
Short-term borrowings
Short-term Debt
Line of Credit Facility, Capacity remaining to support letters of credit
Line of Credit Facility, Remaining capacity to support letters of credit
Line of Credit Facility, Remaining capacity to support letters of credit
Unsecured surety bonds in force
Guarantor Obligations, Current Carrying Value
Business Combinations
Business Combination Disclosure [Text Block]
IBNR Accrual
Liability for Claims and Claims Adjustment Expense
Accounting Changes and Error Corrections [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2016-16 [Member]
Accounting Standards Update 2016-16 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption
Cumulative Effect of New Accounting Principle in Period of Adoption
Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping
Fair Value, by Balance Sheet Grouping [Table Text Block]
Beginning balance
Allowance for Doubtful Accounts Receivable, Current
Provision for doubtful accounts, net
Provision for Doubtful Accounts
Accounts written-off
Allowance for Doubtful Accounts Receivable, Write-offs
Effect of change in exchange rates
Effect Of Change In Exchange Rates
Effect Of Change In Exchange Rates
Ending balance
Schedule of Goodwill
Schedule of Goodwill [Table Text Block]
Beginning balance, intangible assets, gross
Finite-lived Intangible Assets Acquired
Effect of change in exchange rates
Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)
Ending balance, intangible assets, gross
Beginning balance, intangible liabilities, gross
Effect of change in exchange rates
Finite-Lived Intangible Liabilities, Foreign Currency Translation Gain Loss
Finite-Lived Intangible Liabilities, Foreign Currency Translation Gain Loss
Ending balance, intangible liabilities, gross
Schedule of Debt
Schedule of Debt [Table Text Block]
Schedule of Maturities of Long-term Debt
Schedule of Maturities of Long-term Debt [Table Text Block]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Parent [Member]
Parent [Member]
Accumulated Translation Adjustment [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Derivative Instruments [Member]
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Amounts reclassified from AOCI
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Contract with Customer, Asset and Liability
Contract with Customer, Asset and Liability [Table Text Block]
Shareholders' Equity
Stockholders' Equity Note Disclosure [Text Block]
US Employee Group Health Insurance Expense
Other Labor-related Expenses
Statement of Comprehensive Income [Abstract]
Other comprehensive income, net of tax:
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
Pension benefit obligation adjustment
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Total other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Total comprehensive income (loss), net of tax
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Comprehensive income attributable to noncontrolling interests, net of tax
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive income (loss) attributable to Itron, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Stock Repurchase Program, Authorized Amount
Stock Repurchase Program, Authorized Amount
Stock Repurchased During Period, Shares
Stock Repurchased During Period, Shares
Statement of Financial Position [Abstract]
ASSETS
Current assets
Assets, Current [Abstract]
Accounts receivable, net
Inventories
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property, plant, and equipment, net
Property, Plant and Equipment, Net
Deferred tax assets, net
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent
Restricted cash
Other long-term assets
Other Assets, Noncurrent
Intangible assets, net
Goodwill
Total assets
Assets
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Current liabilities
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Other current liabilities
Other Liabilities, Current
Wages and benefits payable
Employee-related Liabilities, Current
Taxes payable
Taxes Payable, Current
Current portion of warranty
Standard Product Warranty Accrual, Current
Unearned revenue
Deferred Revenue, Current
Total current liabilities
Liabilities, Current
Long-term warranty
Standard Product Warranty Accrual, Noncurrent
Pension benefit obligation
Liability, Defined Benefit Pension Plan, Noncurrent
Deferred tax liabilities, net
Deferred Tax Liabilities, Net, Noncurrent
Other long-term obligations
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 11)
Commitments and Contingencies
Equity
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, no par value, 10 million shares authorized, no shares issued or outstanding
Preferred Stock, Value, Issued
Common stock, no par value, 75 million shares authorized, 39,279 and 38,771 shares issued and outstanding
Common Stock, Value, Issued
Accumulated other comprehensive loss, net
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Total Itron, Inc. shareholders' equity
Stockholders' Equity Attributable to Parent
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Total liabilities and equity
Liabilities and Equity
Restructuring Cost and Reserve [Axis]
Accrued Employee Severance [Member]
Other Accrued Costs [Member]
Beginning balance, January 1, 2018
Restructuring Reserve
Costs charged to expense
Cash payments
Payments for Restructuring
Net assets disposed and impaired
Restructuring Costs and Asset Impairment Charges
Effect of change in exchange rates
Restructuring Reserve, Foreign Currency Translation Gain (Loss)
Ending balance, June 30, 2018
Contract with Customer, net
Contract with Customer, net
Contract with Customer, net
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination
Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination
Revenue recognized from beginning contract liability
Contract with Customer, Performance Obligation Satisfied in Previous Period
Increases due to amounts billed in the current period
Contract with Customer, Asset, Reclassified to Receivable
Revenue recognized from amounts added in the current period
Contract with Customer, Liability, Revenue Recognized
Other adjustments
Contract with Customer, Other adjustments
Contract with Customer, Other adjustments
Contract with Customer, net
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Gross profit
Operating income (loss)
Total other income (expense)
Income (loss) before income taxes
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Intangible Assets [Abstract]
The line item is inclusive of finite-lived and indefinite-lived intangible assets.
2018 (amount remaining at June 30, 2018)
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Beyond 2022
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total intangible assets subject to amortization (accretion)
2018 (amount remaining at June 30, 2018)
Finite-Lived Intangible Liabilities, Accretion, Remainder of Fiscal Year
Finite-Lived Intangible Liabilities, Accretion, Remainder of Fiscal Year
2019
Finite-Lived Intangible Liabilities, Accretion, Year Two
Finite-Lived Intangible Liabilities, Accretion, Year Two
2020
Finite-Lived Intangible Liabilities, Accretion, Year Three
Finite-Lived Intangible Liabilities, Accretion, Year Three
2021
Finite-Lived Intangible Liabilities, Year Four
Finite-Lived Intangible Liabilities, Year Four
2022
Finite-Lived Intangible Liabilities, Accretion, Year Five
Finite-Lived Intangible Liabilities, Accretion, Year Five
Beyond 2022
Finite-Lived Intangible Liabilities, Accretion, after Year Five
Finite-Lived Intangible Liabilities, Accretion, after Year Five
Intangible liabilities, Net
2018 (amount remaining at June 30, 2018)
Finite-Lived Intangible Assets, Amortization Expense, Net, Remainder of Fiscal Year
Finite-Lived Intangible Assets, Amortization Expense, Net, Remainder of Fiscal Year
2019
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Two
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Two
2020
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Three
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Three
2021
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Four
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Four
2022
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Five
Finite-Lived Intangible Assets, Amortization Expense, Net, Year Five
Beyond 2022
Finite-Lived Intangible Assets, Amortization Expense, Net, After Year Five
Finite-Lived Intangible Assets, Amortization Expense, Net, After Year Five
Total intangible assets (liabilities), net
Finite-Lived Intangible Assets (Liabilities), Net
Finite-Lived Intangible Assets (Liabilities), Net
Stock-based awards excluded from diluted EPS calculation (antidilutive) (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Contract with Customer, Asset, Gross
Contract with Customer, Asset, Gross
Contract with Customer, Liability
Contract with Customer, Liability
Contract with customer, revenue recognized
Revenue, Initial Application Period Cumulative Effect Transition [Table]
Revenue, Initial Application Period Cumulative Effect Transition [Table]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Domain]
Initial Application Period Cumulative Effect Transition [Domain]
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Deferred Revenue
Deferred Revenue
Deferred Revenue, Current
Retained Earnings (Accumulated Deficit)
Restructuring Reserve, Current
Restructuring Reserve, Current
Restructuring Reserve, Noncurrent
Restructuring Reserve, Noncurrent
Total Comprehensive Income (Loss)
Comprehensive Income (Loss) [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Property, Plant and Equipment, Net [Abstract]
Machinery and equipment
Machinery and Equipment, Gross(1)
Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, and other machinery and equipment used in the production of goods and services.
Computers and software
Computers and Software, Gross
Amount before depreciation of computers and software.
Buildings, furniture, and improvements
Buildings, furniture, and improvements
Amount before depreciation of building, furniture, and improvements.
Land
Land
Construction in progress, including purchased equipment
Construction in Progress, Gross
Total cost
Property, Plant and Equipment, Gross
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property, plant, and equipment, net
Plan assets in other long-term assets
Assets for Plan Benefits, Defined Benefit Plan
Current portion of pension benefit obligation in wages and benefits payable
Liability, Defined Benefit Pension Plan, Current
Long-term portion of pension benefit obligation
Pension benefit obligation, net
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position
Stock-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Restricted Cash and Cash Equivalents
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
New Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Effect of Foreign Exchange Option and Forward Derivatives in the Income Statement (Table)
Income Statement Location [Axis]
Income Statement Location [Domain]
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign exchange forward contracts
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of actuarial net loss
Defined Benefit Plan, Amortization of Gain (Loss)
Amortization of unrecognized prior service costs
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Net periodic benefit cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Unusual or Infrequent Item, or Both, Insurance Proceeds
Unusual or Infrequent Item, or Both, Insurance Proceeds
Total warranty expense
Product Warranty Expense
Document Information [Abstract]
Document Information [Abstract]
Entities [Table]
Entities [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Entity Information [Line Items]
Entity Information [Line Items]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Trading Symbol
Trading Symbol
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Income Tax Examination [Table]
Income Tax Examination [Table]
Income Tax Examination [Line Items]
Income Tax Examination [Line Items]
Effective Income Tax Rate Reconciliation, Percent
Effective Income Tax Rate Reconciliation, Percent
Unrecognized Tax Benefits
Open Tax Year
Open Tax Year
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Designated as Hedging Instrument [Member]
Designated as Hedging Instrument [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Other Current Assets [Member]
Other Current Assets [Member]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Asset Derivatives [Abstract]
Derivative Asset [Abstract]
Interest Rate Derivative Assets, at Fair Value
Interest Rate Derivative Assets, at Fair Value
Foreign Currency Fair Value Hedge Asset at Fair Value
Foreign Currency Fair Value Hedge Asset at Fair Value
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value
Liability Derivatives [Abstract]
Derivative Liability [Abstract]
Foreign exchange forward contracts
Allowance